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		<h2>
			<span>JSON</span><span class="path">$.fn.zTree.</span>_z
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		<h3>
			Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]
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		<div class="desc">
			<p></p>
			<div class="longdesc">
				<p>All of the methods in zTree v3.x are available through the '$. fn.zTree._z' calls, open it for you to develop
					your own zTree plug-ins.</p>
				<p class="highlight_red">If you have no special requirements, please don't use this object, and don't modify the
					methods in this object.</p>
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